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Jyutping jyun3 taan3
Pinyin yuàn tàn

Definitions (Wiktionary)
  1. verb, Min-Nan
    to grumble and sigh; to complain and sigh
    (syn.) 叨唠, 發牢騷, 发牢骚, 怨怼, 牢騷, 牢骚, 抱怨, 叨嘮, 怨懟, 吐槽, 埋怨

怨嘆 [-叹]

Jyutping
Pinyin yuàn tàn

Definitions (CC-CEDICT)
  1. to complain; to grumble